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Full text of "Text Book Of Mechanical Engineering"

792

Appendix II.

added,, and the 'blow; proceeds till the iron is free of carbon ;
the ' after-blow' then takes place till the phosphorus is eliminated.
The converter is now- slightly tipped, some ferro-inapganese

added, the slag removed, and the-metal poured into ingots. The
percentage of silicon and sulphur should be very low, and there
should be from i to 2 % of manganese. If this be followed, the